Unit2知識點復(fù)習(xí)課件人教版英語八年級上冊

人教版八年級上冊Unit2HowOftenDoYouExercise?01語法Howoftendoyouexercise?多久一次Hardlyever.幾乎從不回答2.Onceaweek.一周一次1.定義：頻度副詞表示事情發(fā)生的頻率，可用來回答howoften引導(dǎo)的問句2.常見頻率副詞：always＞usually＞often＞sometimes＞hardlyever(seldom)＞never3.位置：實義動詞前面，be動詞/助動詞/情態(tài)動詞后面e.g.TheyhardlyeverwatchTV.Theyarealwayslateforschool.頻率副詞sometimes橫看成嶺側(cè)成峰sometimes頻度副詞有時表示動作發(fā)生的不經(jīng)常性，多與一般現(xiàn)在時連用，對它提問用howoftensometimes名詞短語幾次；幾倍其中time是可數(shù)名詞，意為“次，倍”，對它提問用howmanytimessometime副詞某個時候表示某個不確切或不具體的時間，常用于過去式或?qū)頃r，對它提問用whensometime名詞短語一段時間句中謂語動詞常為延續(xù)性動詞，對它提問用howlongSometimesIgetuplate.Ihavereadthestorysometimes.Idecidedtotryparaglidingwithmysistersometimenextweek.TheywillliveinBeijingforsometime.口訣分開“一段時間”

（sometime）相聚在“某時”

（sometime）“有時”相聚加-s （sometimes）“幾次”分開帶-s （sometimes）hardly/hard亂花漸欲迷人眼hardly副詞意為“幾乎不”Hehardlyworks.hard副詞意為“努力地；困難地；猛烈地”Heworkshard.Itrainedhard.形容詞意為“努力的；困難的；硬的”Therearesomehardquestionsontheexampaper.Thisisahardbed.次數(shù)aweek/month/year.Once

a

week次數(shù)：once一次twice兩次threetimes三次….Iexerciseonceaweek.Howoftendoyouexercise?Howmanytimesdoyouexerciseaweek?1.Heisthefirsttogettoschooleveryday.Heis______lateforschool.alwaysB.often C.sometimes D.never2.--Ms.Linisverypopularwiththestudents.--Yes.Herclassesare____________livelyandinteresting.alwaysB.sometimes C.hardly D.never3.We_____playsportsonschooldays.Youknow,wedon’thaveenoughtime.oftenB.usually C.hardly D.ever4.Canyouspeakalittlelouder?Ican______hearyou.A.hard B.really C.hardly D.clearlyPractice02動詞exerciseexercise

exercise動詞鍛煉Hehardlyexercises.名詞[不可數(shù)]鍛煉takeexercise[可數(shù)]體操；練習(xí)題domorningexercisesdoeyeexercisesdogrammarexercises花費花費spend花費（時間、金錢）；度過主語是人spendonsth.spend(in)doingpay支付（金錢）主語是人pay錢for物take花費（時間）it作形式主語，真正的主語是動詞不定式Ittakes/tooksb.sometimetodosth.cost花費（金錢）主語是物Sth.costssb.somemoneyask詢問asksb.aboutsth.詢問某人關(guān)于某事Weaskedstudentsabouttheirfreetimeactivities.2.請求，要求asksb.todosth.讓某人做某事asksb.nottodosth.讓某人不要做某事Theteacherasksustolistentohercarefully.Theteacherasksusnottotalkinclass.3.尋求askforhelp尋求幫助asksb.forsth.向某人尋求某物Weasktheteacherforhelp.helpv.幫助helpsb.withsth.＝helpsb.（to）dosth.幫助某人做某事IoftenhelphimwithhisEnglish.

＝Ioftenhelphim(to)learnEnglish.n.幫助withone’shelp=withthehelpofsb.在某人的幫助下Withourteacher’shelp=Withthehelpofourteacherhaveto/musthaveto/must

haveto

不得不

側(cè)重客觀需要有人稱、數(shù)和時態(tài)的變化

must

必須側(cè)重主觀上自己認為有必要沒有人稱和數(shù)的變化03名詞&代詞意為“百分之……”，常用于“基數(shù)詞＋percent”結(jié)構(gòu)

10percent百分之十無復(fù)數(shù)形式，與名詞連用時后需＋of10percentofthestudents百分之十的學(xué)生percentof后接名詞或代詞做主語時，謂語動詞的單復(fù)數(shù)形式要根據(jù)of后的名詞或代詞而定

10percentofthestudentslikereadingbooks.八分之十的學(xué)生喜歡讀書

percent

none/noone/nothingnone（沒有一個；毫無）既可指人，也可指物可單獨用，或和of連用，后跟不可數(shù)名詞或可數(shù)名詞復(fù)數(shù)謂語動詞用單數(shù)或復(fù)數(shù)（看名詞）noone（沒有人）只能指人一般單獨使用，不和of連用謂語動詞用單數(shù)nothing（沒有什么）只能指物單獨使用謂語動詞用單數(shù)Noneofuswenttothepark.Noonewantstoleave.Nothingisimpossible.04連詞&介詞

although連詞意為“雖然；盡管；即使”，相當(dāng)于though，引導(dǎo)讓步狀語從句。同一句子中although與but不能連用。Shekeptonworkingalthoughshewastired.①介詞，意為“通過，靠”，表示方法、手段，其后接名詞、代詞或動詞-ing形式。Mr.Greenmakesalivingbyteaching.②by＋交通工具，意為“乘/駕/坐……”IwenttoBeijingbyplane.③by＋時間，意為“到……時為止；在……以前”Imustbeinbedbyten.④by＋地點，意為“在……旁邊”Welivebythesea.

by意為“例如；像……一樣”多用于來列舉同類人或事物中的幾個。Hehasmanyhobbies,suchasswimmingandreading.

such

as05形容詞&副詞How疑問詞薈萃How疑問詞薈萃howoften多久一次提問頻率Howoftendoyouexercise?howmuch多少；多少錢提問數(shù)量或價格Howmuchisthesweater?howmany多少提問數(shù)量Howmanyarethesebirds?howlong多長；多久提問長度或時間長短HowlongdoesittaketogettoShanghai?howfar多遠提問距離Howfarisitfromheretothepark?howsoon多久以后提問將來的時間Howsoonwilltheycomeback?howold多大年紀提問年齡Howoldareyou?--________doyougotothezoo?--Onceamonth.--________monkeysarethereinthezoo?--________isitfromBeijingtoTianjin?--It’s92km.--________aretheapples?--Theyare10yuan.Practicefree/full②full意為“忙的”，還可以表示“滿的；飽的”。Herlifeissofullthatshedoesn’thavetimeforhobbies.Thebottleisfullofwater.Ican’teatanymore,I’mquietfull.free/fullmaybe&maybe辨析maybe或許；大概；可能副詞，作狀語，常位于句首maybe可能是情態(tài)動詞＋動詞原形結(jié)構(gòu)，在句中作謂語Maybeyouareright＝Y(jié)oumayberight.almost,nearly都是副詞，意為“幾乎，差不多”，almost之前不可用very，not等詞修飾，但在no,none,never,nothing等否定詞前可用almost。Thereisalmostnothingintheroom.Thecarisprettynearlynew.nearly&almost

begoodfor/at/with/tobegoodfor對…有好處Doingmorningexercisesisgoodforyou.begoodat擅長I’mgoodatplayingbasketball.begoodwith善于應(yīng)對…Heisgoodwithchildren.begoodto對…友好Sheisalwaysgoodtome.Doingeyeexercises________youreyes.I________playingbasketball.He________hisclassmates.Practicetoo/either/alsotoo也常用于肯定句位于句末，其前常加逗號either也（不）常用于否定句位于句末，其前常加逗號also也常用于肯定句位于句中，助動詞/be/情態(tài)動詞之后，實意動詞之前Lucylikesred.Ilikered,too.Ifhedoesn’tgo,Iwon’t,either.Theyalsoagreewithme.06句式根本不;一點也不。atall可位于句末，也可跟在否定詞后。Itwasn’tdifficultatall.這一點也不難。Heisn’ttiredatall.He’snotatalltired.他一點也不累。

notatall

口語中單獨說notatall,可用來回答感